Patents by Inventor Ko Ching Ho

Ko Ching Ho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Torsion exercise device for arm and wrist
    Patent number: 5743830
    Abstract: An exercise device is intended for developing arm and wrist, and is composed of a joint seat, a joint housing, a bearing member, an elastic element, two handlebars, and two torsion-resisting elements. The joint seat, the joint housing and the bearing member are fastened coaxially and pivotally in conjunction with the elastic element. The joint seat and the joint housing are provided with a handlebar fastened therewith. The torsion-resisting elements are located in the handlebars such that one end of the torsion-resisting element is retained by the joint housing or the joint seat, and that another end of the torsion-resisting element is retained by the handlebar.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: April 28, 1998
    Inventor: Ko Ching Ho
  • Exercise device
    Patent number: D404094
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: January 12, 1999
    Inventor: Ko Ching Ho